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HIMA Z7138 – Safety Cable Plug Assembly for I/O Modules
Product Overview
The HIMA Z7138 is a pre‑wired safety cable plug assembly designed to link HIMA safety I/O modules to field devices. It provides reliable, fault‑resistant signal transmission in safety‑instrumented systems (SIS), reducing wiring errors and simplifying panel integration. Built for 24 VDC safety circuits, it ensures secure electrical connection while maintaining system safety integrity up to SIL 3.
Technical Specifications — Z7138
| Parameter | Value |
|---|---|
| Product Model | Z7138 |
| Manufacturer | HIMA |
| Product Type | Safety Cable Plug / Pre‑wired Connection Assembly |
| Power | 24 VDC nominal |
| Communication / Protocol | Hardwired safety signal |
| Operating Temperature | -20 °C to +60 °C |
| Mounting | Panel / cable mount, 4 TE space |
| Dimensions (HxWxD) | 147 mm × 20.7 mm × 67 mm |
| Weight | 0.12 kg |
| Typical Interfaces | 8‑channel compatible (F3330/F3331 series) |
| Compliance | IEC 61508 SIL 3, IEC 61511, IP67 |
HIMA Z7138
Key Features and Benefits — Z7138
- SIL 3 Safety Rated meets IEC 61508 requirements, suitable for ESD and process safety loops.
- Pre‑wired Design minimizes on‑site wiring, reduces human error, and speeds up commissioning.
- Robust Construction with gold‑plated contacts and IP67 protection ensures durability in harsh industrial environments.
- LED Status Indicators (on selected versions) allow quick visual diagnostics of channel status.
- Compact Footprint uses only 4 TE, enabling high‑density I/O cabinet layouts.
Related Models
- HIMA F3330: 8‑channel safety digital output module, commonly paired with Z7138 for field connection.
- HIMA Z7128: Pre‑wired cable assembly for analog input modules such as F6217.
- HIMA F7131: Power supply monitoring module providing stable 24 VDC power to I/O and cabling systems.
- HIMA Z7116: Safety cable plug for digital input modules, supporting consistent panel wiring standards.
Installation and Maintenance — Z7138
- Mount in control cabinets using standard panel mounting; ensure 4 TE clearance and proper cable bend radius.
- Connect the plug to the corresponding I/O module and field devices following polarity and shielding guidelines.
- For IP67 integrity, ensure connectors are fully tightened and cables are properly strain‑relieved.
- Inspect contacts annually for wear or corrosion; clean gold‑plated surfaces with approved contact cleaner only.
- Replace damaged cables or plugs immediately to maintain safety integrity and avoid unplanned downtime.
